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Quantitative Relationships in Chemical Equations 4 Na(s) + O 2 (g) 2 Na 2 O(s) Particles4 atoms1 m’cule2 m’cules Moles4 mol1 mol2 mol Grams4 g1 g2 g **
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Water Solutions of Acids Universal Indicator is yellow Turn phenolphthalein colorless Turn litmus paper red React with metals to give off hydrogen gas
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